Make http requests to the given url in loop

http_status.sh

#!/bin/bash

COLOR_NC='\e[0m' # No Color
COLOR_LIGHT_RED='\e[1;31m'
COLOR_LIGHT_GREEN='\e[1;32m'
COLOR_LIGHT_YELLOW='\e[1;33m'
COLOR_LIGHT_BLUE='\e[1;34m'

usage() {
    echo "$0 [options] url"
    echo ""
    echo "Make http requests to the given url in loop"
    echo ""
    echo "Options:"
    echo "-h, --help            show this help"
    echo "-n, --number          number of itterations. default is 100"
}

while [ $# -gt 0 ]; do
    case "$1" in
        -h|--help)
            usage
            exit 0
            ;;
        -n|--number)
            shift
            NUMBER=$1
            shift
            ;;
        *)
            break
            ;;
    esac
done

if [ $# -ne 1 ]; then
    usage
    exit 1
fi

for i in `seq 1 ${NUMBER:-100}`; do
    RESPONSE=`curl -s -L -o /dev/null -w "%{http_code} %{url_effective} %{time_total}" $1`
    STATUS=${RESPONSE%% *}
    MESSAGE=${RESPONSE#* }

    if [ "$STATUS" -ge "500" ]; then
        STATUS_COLOR=${COLOR_LIGHT_RED}
    elif [ "$STATUS" -ge "400" ]; then
        STATUS_COLOR=${COLOR_LIGHT_YELLOW}
    elif [ "$STATUS" -ge "300" ]; then
        STATUS_COLOR=${COLOR_LIGHT_BLUE}
    elif [ "$STATUS" -ge "200" ]; then
        STATUS_COLOR=${COLOR_LIGHT_GREEN}
    fi

    echo -e "${STATUS_COLOR}${STATUS}${COLOR_NC} ${MESSAGE}"
done